Dawid Rusnak
Senior Software Engineer at Cast AI
Krakow, Lesser Poland Voivodeship
Summary
🤩
RockstarDawid Rusnak is a senior full-stack engineer and architect with 11 years building high-performance web applications and distributed back-end systems, currently working at Cast AI and consulting through DRCode. He specializes in React-driven front ends (including isomorphic SPAs serving millions of unique users) and scalable back-end architectures spanning SOA, microservices and serverless patterns. Dawid combines hands-on implementation with leadership—having led teams, run 200+ interviews, and delivered workshops and trainings—while driving developer experience through tooling, testing and CI/CD. Notably, he designed Testkube’s Test Workflows mechanism and has open-source contributions such as a universal JS lexer/parser, reflecting a curiosity for language tooling beyond typical application code. Based in Krakow, he brings a pragmatic balance of UX focus, code quality, and operational reliability to complex projects.
11 years of coding experience
10 years of employment as a software developer
Polish, English
Stackoverflow
582reputation
58kreached
18answers
7questions
Github Skills (132)
testing10
windows10
material-ui10
text-formatting10
google-maps-react10
browserfs10
ember10
google-maps10
monitoring10
javascript10
react-components10
linux10
ai10
js10
input-mask10
Programming languages (11)
Github contributions (5)
rangoo94/easen-models
May 2017 - Nov 2018
Contributions:21 commits, 14 pushes, 1 branch in 1 year 6 months
rangoo94/bestest
Aug 2019 - Oct 2022
[Work in progress] Bestest - JS benchmarking tool
Contributions:4 PRs, 31 pushes, 1 branch in 3 years 2 months
benchmarkingjs
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.